Home / 28,897.20-43,356.60-11,379.24

Finding the Fourth Proportional to 28,897.20, 43,356.60 and 11,379.24

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Solution

The fourth proportional to 28,897.20, 43,356.60 and 11,379.24 is: 17,073.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,897.20 : 43,356.60 = 11,379.24 : x
  2. Step 2: Convert to fraction form
    28,897.20/43,356.60 = 11,379.24/x
  3. Step 3: Cross multiply
    28,897.20x = 43,356.60 × 11,379.24
  4. Step 4: Simplify right side
    28,897.20x = 493,365,156.98
  5. Step 5: Solve for x
    x = 493,365,156.98/28,897.20
  6. Step 6: Final answer
    x = 17,073.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.